SIMBAD references

2000ApJ...533..162K - Astrophys. J., 533, 162-171 (2000/April-2)

Correlations among global photometric properties of disk galaxies.

KHOSROSHAHI H.G., WADADEKAR Y. and KEMBHAVI A.

Abstract (from CDS):

Using a two-dimensional galaxy image decomposition technique, we extract global bulge and disk parameters for a complete sample of early-type disk galaxies in the near-infrared K band. We find significant correlation of the bulge parameter n with the central bulge surface brightness µb(0) and with effective radius re. Using bivariate analysis techniques, we find that logn, logre, and µb(0) are distributed in a plane with small scatter. We do not find a strong correlation of n with bulge-to-disk luminosity ratio, contrary to earlier reports. For these early-type disk galaxies, re and the disk scale length rd are well correlated, but with large scatter. We examine the implications of our results for various bulge formation scenarios in disk galaxies.

Abstract Copyright:

Journal keyword(s): Galaxies: Fundamental Parameters - Galaxies: Spiral - Galaxies: Structure - Infrared: Galaxies

Simbad objects: 30

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